血液抽取地点和血液矩阵影响矿物质评估
Mikail G Alejandro1, Kathleen Schultz2, David W Killilea2
1Department of Pediatrics, University of California, San Francisco, California, United States of America.
PloS one
|December 8, 2025
概括
抽血地点和样品类型显著影响必需矿物质水平. 标准化预分析方法对于准确的,铜,铁和的营养和临床评估至关重要.
科学领域:
- 临床化学 临床化学
- 分析化学 分析化学
- 营养科学 营养科学
背景情况:
- 循环矿物质度对于评估营养状况和临床状况至关重要.
- 目前的血液处理方法缺乏标准化,导致矿物质测量的差异.
- 之前的研究强调了含量因分析前因素的变化.
研究的目的:
- 调查不同抽血部位 (毛细血管与静脉) 和样本矩阵 (血与血清) 对矿物质度的影响.
- 将以前关于的发现扩展到其他必需矿物质:,铜,铁和.
- 强调控制精确矿物分析的分析前变量的重要性.
主要方法:
- 从60名健康成年人收集了连续的毛细血管和静脉血液样本.
- 使用感应合等离子体光学发射光谱学分析矿物度.
- 专注于,铜,铁和,因为它们的普遍检测和缺乏污染.
主要成果:
- 与静脉血相比,毛细血管血液样本显示,铜,铁和的度比静脉血高2至11%.
- 与血相比,血清样本中的,铜和的度比血高2-5%.
- 与血清相比,血样本的铁度高出7%.
结论:
- 分析前的变量,包括抽血地点和样本矩阵,显著影响了基本矿物质的测量度.
- 血液采集和处理的一致方法对于可靠的矿物质水平评估至关重要.
- 建议对预分析程序进行标准化,以提高临床和营养诊断中矿物质测量的准确性和可比性.
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